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<div class="header">
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<div class="title">Product.h</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Copyright (C) 2008-2011 Gael Guennebaud &lt;gael.guennebaud@inria.fr&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef EIGEN_PRODUCT_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define EIGEN_PRODUCT_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;./InternalHeaderCheck.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceEigen.html">Eigen</a> {</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keywordtype">int</span> Option, <span class="keyword">typename</span> StorageKind&gt; <span class="keyword">class </span>ProductImpl;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keywordtype">int</span> Option&gt;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keyword">struct </span>traits&lt;Product&lt;Lhs, Rhs, Option&gt; &gt;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;{</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;  <span class="keyword">typedef</span> remove_all_t&lt;Lhs&gt; LhsCleaned;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;  <span class="keyword">typedef</span> remove_all_t&lt;Rhs&gt; RhsCleaned;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;  <span class="keyword">typedef</span> traits&lt;LhsCleaned&gt; LhsTraits;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;  <span class="keyword">typedef</span> traits&lt;RhsCleaned&gt; RhsTraits;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;  <span class="keyword">typedef</span> MatrixXpr XprKind;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> ScalarBinaryOpTraits&lt;typename traits&lt;LhsCleaned&gt;::Scalar, <span class="keyword">typename</span> traits&lt;RhsCleaned&gt;::Scalar&gt;::ReturnType Scalar;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> product_promote_storage_type&lt;<span class="keyword">typename</span> LhsTraits::StorageKind,</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;                                                <span class="keyword">typename</span> RhsTraits::StorageKind,</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;                                                internal::product_type&lt;Lhs,Rhs&gt;::ret&gt;::ret StorageKind;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> promote_index_type&lt;<span class="keyword">typename</span> LhsTraits::StorageIndex,</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;                                      <span class="keyword">typename</span> RhsTraits::StorageIndex&gt;::type StorageIndex;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    RowsAtCompileTime    = LhsTraits::RowsAtCompileTime,</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    ColsAtCompileTime    = RhsTraits::ColsAtCompileTime,</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    MaxRowsAtCompileTime = LhsTraits::MaxRowsAtCompileTime,</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    MaxColsAtCompileTime = RhsTraits::MaxColsAtCompileTime,</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="comment">// FIXME: only needed by GeneralMatrixMatrixTriangular</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    InnerSize = min_size_prefer_fixed(LhsTraits::ColsAtCompileTime, RhsTraits::RowsAtCompileTime),</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="comment">// The storage order is somewhat arbitrary here. The correct one will be determined through the evaluator.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    Flags = (MaxRowsAtCompileTime==1 &amp;&amp; MaxColsAtCompileTime!=1) ? <a class="code" href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">RowMajorBit</a></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;          : (MaxColsAtCompileTime==1 &amp;&amp; MaxRowsAtCompileTime!=1) ? 0</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;          : (   ((LhsTraits::Flags&amp;<a class="code" href="group__flags.html#ga3c186ad80ddcf5e2ed3d7ee31cca1860">NoPreferredStorageOrderBit</a>) &amp;&amp; (RhsTraits::Flags&amp;<a class="code" href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">RowMajorBit</a>))</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;             || ((RhsTraits::Flags&amp;<a class="code" href="group__flags.html#ga3c186ad80ddcf5e2ed3d7ee31cca1860">NoPreferredStorageOrderBit</a>) &amp;&amp; (LhsTraits::Flags&amp;<a class="code" href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">RowMajorBit</a>)) ) ? <a class="code" href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">RowMajorBit</a></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;          : <a class="code" href="group__flags.html#ga3c186ad80ddcf5e2ed3d7ee31cca1860">NoPreferredStorageOrderBit</a></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  };</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;};</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;} <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Lhs_, <span class="keyword">typename</span> Rhs_, <span class="keywordtype">int</span> Option&gt;</div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classEigen_1_1Product.html">   73</a></span>&#160;<span class="keyword">class </span><a class="code" href="classEigen_1_1Product.html">Product</a> : <span class="keyword">public</span> ProductImpl&lt;Lhs_,Rhs_,Option,</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                                   typename internal::product_promote_storage_type&lt;typename internal::traits&lt;Lhs_&gt;::StorageKind,</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;                                                                                   typename internal::traits&lt;Rhs_&gt;::StorageKind,</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;                                                                                   internal::product_type&lt;Lhs_,Rhs_&gt;::ret&gt;::ret&gt;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;{</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keyword">typedef</span> Lhs_ Lhs;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keyword">typedef</span> Rhs_ Rhs;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">typename</span> ProductImpl&lt;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        Lhs, Rhs, Option,</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        <span class="keyword">typename</span> internal::product_promote_storage_type&lt;typename internal::traits&lt;Lhs&gt;::StorageKind,</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;                                                        <span class="keyword">typename</span> internal::traits&lt;Rhs&gt;::StorageKind,</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;                                                        internal::product_type&lt;Lhs,Rhs&gt;::ret&gt;::ret&gt;::Base Base;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    EIGEN_GENERIC_PUBLIC_INTERFACE(<a class="code" href="classEigen_1_1Product.html">Product</a>)</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::ref_selector&lt;Lhs&gt;::type LhsNested;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::ref_selector&lt;Rhs&gt;::type RhsNested;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="keyword">typedef</span> internal::remove_all_t&lt;LhsNested&gt; LhsNestedCleaned;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keyword">typedef</span> internal::remove_all_t&lt;RhsNested&gt; RhsNestedCleaned;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <a class="code" href="classEigen_1_1Product.html">Product</a>(<span class="keyword">const</span> Lhs&amp; lhs, <span class="keyword">const</span> Rhs&amp; rhs) : m_lhs(lhs), m_rhs(rhs)</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    {</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;      eigen_assert(lhs.cols() == rhs.rows()</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        &amp;&amp; <span class="stringliteral">&quot;invalid matrix product&quot;</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        &amp;&amp; <span class="stringliteral">&quot;if you wanted a coeff-wise or a dot product use the respective explicit functions&quot;</span>);</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    }</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE EIGEN_CONSTEXPR</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> rows() <span class="keyword">const</span> EIGEN_NOEXCEPT { <span class="keywordflow">return</span> m_lhs.rows(); }</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE EIGEN_CONSTEXPR</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> cols() <span class="keyword">const</span> EIGEN_NOEXCEPT { <span class="keywordflow">return</span> m_rhs.cols(); }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keyword">const</span> LhsNestedCleaned&amp; lhs()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lhs; }</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keyword">const</span> RhsNestedCleaned&amp; rhs()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_rhs; }</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    LhsNested m_lhs;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    RhsNested m_rhs;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;};</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;template&lt;typename Lhs, typename Rhs, int Option, int ProductTag = internal::product_type&lt;Lhs,Rhs&gt;::ret&gt;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="keyword">class </span>dense_product_base</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160; : <span class="keyword">public</span> internal::dense_xpr_base&lt;Product&lt;Lhs,Rhs,Option&gt; &gt;::type</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;{};</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keywordtype">int</span> Option&gt;</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="keyword">class </span>dense_product_base&lt;Lhs, Rhs, Option, InnerProduct&gt;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160; : <span class="keyword">public</span> internal::dense_xpr_base&lt;Product&lt;Lhs,Rhs,Option&gt; &gt;::type</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;{</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  <span class="keyword">typedef</span> Product&lt;Lhs,Rhs,Option&gt; ProductXpr;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::dense_xpr_base&lt;ProductXpr&gt;::type Base;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  <span class="keyword">using</span> Base::derived;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> Base::Scalar Scalar;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE <span class="keyword">operator</span> <span class="keyword">const</span> Scalar()<span class="keyword"> const</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="keyword">  </span>{</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keywordflow">return</span> internal::evaluator&lt;ProductXpr&gt;(derived()).coeff(0,0);</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;  }</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;};</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160; </div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;} <span class="comment">// namespace internal</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160; </div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="comment">// Generic API dispatcher</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keywordtype">int</span> Option, <span class="keyword">typename</span> StorageKind&gt;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="keyword">class </span>ProductImpl : <span class="keyword">public</span> internal::generic_xpr_base&lt;Product&lt;Lhs,Rhs,Option&gt;, MatrixXpr, StorageKind&gt;::type</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;{</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::generic_xpr_base&lt;Product&lt;Lhs,Rhs,Option&gt;, MatrixXpr, StorageKind&gt;::type Base;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;};</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160; </div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Lhs, <span class="keyword">typename</span> Rhs, <span class="keywordtype">int</span> Option&gt;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="keyword">class </span>ProductImpl&lt;Lhs,Rhs,Option,Dense&gt;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  : <span class="keyword">public</span> internal::dense_product_base&lt;Lhs,Rhs,Option&gt;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;{</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keyword">typedef</span> Product&lt;Lhs, Rhs, Option&gt; Derived;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160; </div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::dense_product_base&lt;Lhs, Rhs, Option&gt; Base;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    EIGEN_DENSE_PUBLIC_INTERFACE(Derived)</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;      IsOneByOne = (RowsAtCompileTime == 1 || RowsAtCompileTime == <a class="code" href="namespaceEigen.html#ad81fa7195215a0ce30017dfac309f0b2">Dynamic</a>) &amp;&amp;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                   (ColsAtCompileTime == 1 || ColsAtCompileTime == <a class="code" href="namespaceEigen.html#ad81fa7195215a0ce30017dfac309f0b2">Dynamic</a>),</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;      EnableCoeff = IsOneByOne || Option==LazyProduct</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    };</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160; </div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160; </div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Scalar coeff(<a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> row, <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> col)<span class="keyword"> const</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;      EIGEN_STATIC_ASSERT(EnableCoeff, THIS_METHOD_IS_ONLY_FOR_INNER_OR_LAZY_PRODUCTS);</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;      eigen_assert( (Option==LazyProduct) || (this-&gt;rows() == 1 &amp;&amp; this-&gt;cols() == 1) );</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160; </div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;      <span class="keywordflow">return</span> internal::evaluator&lt;Derived&gt;(derived()).coeff(row,col);</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    }</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160; </div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Scalar coeff(<a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> i)<span class="keyword"> const</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;      EIGEN_STATIC_ASSERT(EnableCoeff, THIS_METHOD_IS_ONLY_FOR_INNER_OR_LAZY_PRODUCTS);</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      eigen_assert( (Option==LazyProduct) || (this-&gt;rows() == 1 &amp;&amp; this-&gt;cols() == 1) );</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160; </div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;      <span class="keywordflow">return</span> internal::evaluator&lt;Derived&gt;(derived()).coeff(i);</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    }</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160; </div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;};</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160; </div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;} <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160; </div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// EIGEN_PRODUCT_H</span></div>
<div class="ttc" id="aclassEigen_1_1Product_html"><div class="ttname"><a href="classEigen_1_1Product.html">Eigen::Product</a></div><div class="ttdoc">Expression of the product of two arbitrary matrices or vectors.</div><div class="ttdef"><b>Definition:</b> Product.h:77</div></div>
<div class="ttc" id="agroup__flags_html_ga3c186ad80ddcf5e2ed3d7ee31cca1860"><div class="ttname"><a href="group__flags.html#ga3c186ad80ddcf5e2ed3d7ee31cca1860">Eigen::NoPreferredStorageOrderBit</a></div><div class="ttdeci">const unsigned int NoPreferredStorageOrderBit</div><div class="ttdef"><b>Definition:</b> Constants.h:180</div></div>
<div class="ttc" id="agroup__flags_html_gae4f56c2a60bbe4bd2e44c5b19cbe8762"><div class="ttname"><a href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">Eigen::RowMajorBit</a></div><div class="ttdeci">const unsigned int RowMajorBit</div><div class="ttdef"><b>Definition:</b> Constants.h:68</div></div>
<div class="ttc" id="anamespaceEigen_html"><div class="ttname"><a href="namespaceEigen.html">Eigen</a></div><div class="ttdoc">Namespace containing all symbols from the Eigen library.</div><div class="ttdef"><b>Definition:</b> Core:139</div></div>
<div class="ttc" id="anamespaceEigen_html_a62e77e0933482dafde8fe197d9a2cfde"><div class="ttname"><a href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Eigen::Index</a></div><div class="ttdeci">EIGEN_DEFAULT_DENSE_INDEX_TYPE Index</div><div class="ttdoc">The Index type as used for the API.</div><div class="ttdef"><b>Definition:</b> Meta.h:59</div></div>
<div class="ttc" id="anamespaceEigen_html_ad81fa7195215a0ce30017dfac309f0b2"><div class="ttname"><a href="namespaceEigen.html#ad81fa7195215a0ce30017dfac309f0b2">Eigen::Dynamic</a></div><div class="ttdeci">const int Dynamic</div><div class="ttdef"><b>Definition:</b> Constants.h:24</div></div>
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